... A Meeting in Honor of the 65th Birthday of Carl Heiles . ... GENERAL MEETING INFORMATION . Diffuse interstellar material (ISM) occupies the vast majority of space in our Galaxy and in others. ... Therefore, it was most fitting to honor Carl, a distinguished researcher and an inspiring professor, with a meeting dedicated to observational and theoretical studies of the diffuse ISM. Along with this symposium, the 3rd Galactic ALFA (GALFA) Consortium meeting was held on August 29, 2004. ...

... 2.3 Data acquisition Spectra generated by the Multibeam correlator contain the usual structure seen in spectra from other H i instruments: a bandpass spectrum which is the sum of the sky , ground and receiver temperatures multiplied by the product of the filters in the receiver chain; superimposed on this is a noise ... Note also that sources extended much beyond ,40 arcmin can be imaged poorly in HIPASS images because of the bandpass sidelobe effect described in Section 3.3. ...